Network · AS55781

AS55781 Fujitsu Asia Pte. Ltd.

AS55781 (Fujitsu Asia Pte. Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS55781

  • OwnerFujitsu Asia Pte. Ltd.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,536
  • IPv4 ranges5
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 202.68.222.0/23
  • 202.68.220.0/24
  • 202.68.211.0/24
  • 202.68.209.0/24
  • 103.71.132.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS55781 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'
import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])
const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

About AS55781

Is AS55781 a datacenter or VPN network?

AS55781 (Fujitsu Asia Pte. Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS55781?

AS55781 is registered to Fujitsu Asia Pte. Ltd.. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS55781?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.